????? ??????

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????? ????? ?????? ??????? ?? Visual Basic .NET ?? Visual Basic 2005

???? ???????: 315577 - ??? ???????? ???? ????? ????? ??? ???????.

???? ????? ????? ??????? ?????? ?????? ???????

??? ??? ???? ?????? ???? ?? ??????? ???? ??? ????

????? ???? | ?? ????

???? ??? ??????? ????? ????? ?????? ??????? ?? ????? Microsoft Visual Basic .NET ?? Microsoft Windows 2005 Visual Basic. ???? ????? ????? System.Threading ?????? ???? ??? ?? ???? ???? ????? ?? ?????? ???????.

???????

???? ??????? ??????? ??????? ?????? ??? ????? ?????? ???????? ?????? ? ??? ??????? ???? ???????:

Microsoft Windows 2000 ?? Microsoft Windows XP
Microsoft Visual Basic .NET ?? Microsoft Visual Basic 2005

????? ??? ??????? ??? ??????? ??? ???????? ???????:

????? Visual Basic .NET ?? ????? Visual Basic 2005
Visual Studio .NET ?? ???? ??????? ????????? Visual Studio 2005 (IDE)
?????? ?????? ?? ???????? "?" ???? ???????
?????? ?????? ?? Visual Basic .NET ?? Visual Basic 2005

????? ????? Visual Basic .NET ?? 2005 Visual Basic ?? ?????? ???????

??? ????? Microsoft Visual Studio .NET ?? Microsoft Visual Studio 2005.
????? ????? Visual Basic ????? Windows ???? ???? ThreadWinApp.
????? ???? ???? ?? ??? ???????. ????? ???? Button1 ???? ???????.
????? ???? ProgressBar ??? ???????. ????? ???? ?????? ProgressBar1 ???? ???????.
???? ??? ?????? ?????? ??? ??????? ?? ???? ??? ??? ????????? ????????.
????? ??????? ??????? ??? ????? ?????:
Imports System.Threading

????? ????? ????? ?????? ???? ?? ??? Button1:

Private Sub Button1_Click( _
    ByVal sender As System.Object, ByVal e As System.EventArgs) _
    Handles Button1.Click

    MessageBox.Show("This is the main thread")
End Sub

????? ??????? ?????? ??? ??? Form1:
Private trd As Thread

??? ??????? ?????? ??? ??? Form1:

Private Sub ThreadTask()
    Dim stp As Integer
    Dim newval As Integer
    Dim rnd As New Random()

    Do
        stp = ProgressBar1.Step * rnd.Next(-1, 2)
        newval = ProgressBar1.Value + stp
        If newval > ProgressBar1.Maximum Then
            newval = ProgressBar1.Maximum
        ElseIf newval < ProgressBar1.Minimum Then
            newval = ProgressBar1.Minimum
        End If

        ProgressBar1.Value = newval

        Thread.Sleep(100)
    Loop
End Sub

??????: ??? ?? ??? underlies ???? ???????. ??? ????? ?? infinite ???? ??? ?????? ???????? ?? decrements ?????? ?? ProgressBar1 ????????? ?? 100 ???? ????? ??? ?? ?????.

????? ????? ????? Load ??????? ?? ??? Form1. ??? ???????? ???????? ????? ???? ????? ???? ???? ???? ??????? ???? ????? ????? ? ?? ??? ????? ???? ???????.

Private Sub Form1_Load( _
    ByVal sender As System.Object, ByVal e As System.EventArgs) _
    Handles MyBase.Load

    trd = New Thread(AddressOf ThreadTask)
    trd.IsBackground = True
    trd.Start()
End Sub

???? ?? ??? ????

?????? ??????? ???????. ???? ???? ?????? ?? ???? ?????? ???? ??????. ??? ?? ???? ????? ???? ?? ???????.
???? ?? ???? ??????? ??????? ?????? ?? ???? ??????? ???? ?????? ???? ProgressBar ? ???? ??? ???? ?? ???????. ???? ????? ???? ??????? ???????:
```
This is the main thread
							
```
????? ??? ???????. ???? ?? ?????? ???????? ?? ???? ?????? ????? ?? ?????.

??????? ??????? ????????

?? ??????? ???? ??????? ???? ?? ?????? ?????? ????? ?????? ??? ?????? ??? ??????? ????????. ????? ?? ?????????? ???? ???? SyncLock ????????? ??? ????? ?? ????? "??????? Visual Basic ??? ??????".

???? ??? ?????? | ????? ???????

???????

???? ???????: 315577 - ????? ??? ??????: 15/??�??????/1427 - ??????: 4.3

????? ???

Microsoft Visual Basic 2005
Microsoft Visual Basic .NET 2003 Standard Edition
Microsoft Visual Basic .NET 2002 Standard Edition

kbmt kbvs2005swept kbvs2005applies kbhowtomaster KB315577 KbMtar

????? ????

???: ??? ????? ??? ?????? ???????? ?????? ????? ???? ????? ?????????? ????? ?? ????????? ?????? ????. ???? ???? ?????????? ???? ?? ???????? ???????? ?????? ????????? ????? ????????? ???????? ????? ???????? ?????? ?? ?????? ??? ?? ???????? ???????? ?? ????? ??????? ?????? ??? ??????? ?????? ??. ?????? ?? ???? ??? ??????? ???????? ????? ?? ???? ????? ?????? ??? ????? ??? ????? ??????? ?? ????? ?? ?????? ??? ??? ??????? ??????? ?? ????? ????? ????? ????? ?????. ?? ????? ???? ?????????? ??????? ??? ????? ?? ??????? ?? ????? ?????? ?? ??? ????? ?? ????? ??????? ?? ???????? ?? ??? ???????. ???? ???? ?????????? ???????? ??? ????? ?????? ??????? ??????

???? ??? ????? ??????? ?????? ??????????315577

(http://support.microsoft.com/kb/315577/en-us/ )

???? ??? ?????? | ????? ???????